CERN Accelerating science

CERN Document Server 217 ჩანაწერია ნაპოვნი  1 - 10შემდეგიდასასრული  ჩანაწერთან გადასვლა: ძიებას დასჭირდა 0.54 წამი. 
1.
Model-independent confirmation of the Z(4430) state / LHCb collaboration
The decay B0ψ(2S)K+π is analyzed using 3 fb1 of pp collision data collected with the LHCb detector. A model-independent description of the ψ(2S)π mass spectrum is obtained, using as input the Kπ mass spectrum and angular distribution derived directly from data, without requiring a theoretical description of resonance shapes or their interference. [...]
arXiv:1510.01951; CERN-PH-EP-2015-244; LHCB-PAPER-2015-038; CERN-PH-EP-2015-244; LHCB-PAPER-2015-038.- 2015-12-29 - 15 p. - Published in : Phys. Rev. D 92 (2015) 112009 APS Open Access article: PDF; Fulltext: 10.1103_PhysRevD.92.112009 - PDF; arXiv:1510.01951 - PDF; External link: Figures, tables and other information
2.
Integration of Cloud resources in the LHCb Distributed Computing / Ubeda Garcia, Mario (CERN) ; Mendez Munoz, V (PIC, Bellaterra ; Barcelona, IFAE) ; Stagni, Federico (Humboldt U., Berlin) ; Cabarrou, Baptiste (CERN) ; Rauschmayr, Nathalie (CERN) ; Charpentier, Philippe (CERN) ; Closier, Joel (CERN)
This contribution describes how Cloud resources have been integrated in the LHCb Distributed Computing. LHCb is using its specific Dirac extension (LHCbDirac) as an interware for its Distributed Computing. [...]
2014 - 7 p. - Published in : J. Phys.: Conf. Ser. 513 (2014) 032099
In : 20th International Conference on Computing in High Energy and Nuclear Physics 2013, Amsterdam, Netherlands, 14 - 18 Oct 2013, pp.032099
3.
Search for long-lived heavy charged particles using a ring imaging Cherenkov technique at LHCb / LHCb collaboration
A search is performed for heavy long-lived charged particles using 3.0 fb1 of pp collisions collected at s= 7 and 8 TeV with the LHCb detector. The search is mainly based on the response of the ring imaging Cherenkovdetectors to distinguish the heavy, slow-moving particles from muons. [...]
arXiv:1506.09173; CERN-PH-EP-2105-139; LHCB-PAPER-2015-002; CERN-PH-EP-2105-139; LHCB-PAPER-2015-002.- Geneva : CERN, 2015-12-15 - 24 p. - Published in : Eur. Phys. J. C 75 (2015) 595 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF;
4.
Measurement of the forward Z boson production cross-section in pp collisions at s = 7 TeV / LHCb collaboration
A measurement of the production cross-section for Z bosons that decay to muons is presented. The data were recorded by the LHCb detector during pp collisions at a centre-of-mass energy of 7 TeV, and correspond to an integrated luminosity of 1.0 fb1 [...]
arXiv:1505.07024; LHCB-PAPER-2015-001; CERN-PH-EP-2015-102; LHCB-PAPER-2015-001; CERN-PH-EP-2015-102.- Geneva : CERN, 2015-08-10 - 41 p. - Published in : JHEP 08 (2015) 039 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
5.
Dalitz plot analysis of B0¯D0π+π decays / LHCb Collaboration
The resonant substructures of B0¯D0π+π decays are studied with the Dalitz plot technique. In this study a data sample corresponding to an integrated luminosity of 3.0 fb1 of pp collisions collected by the LHCb detector is used. [...]
arXiv:1505.01710; CERN-PH-EP-2015-110; LHCB-PAPER-2014-070; LHCB-PAPER-2014-070; CERN-PH-EP-2015-110.- Geneva : CERN, 2015-08-07 - 40 p. - Published in : Phys. Rev. D 92 (2015) 032002 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
6.
Observation of the B0sηη decay / LHCb collaboration
The first observation of the B0sηη decay is reported. The study is based on a sample of proton-proton collisions corresponding to 3.0 fb1 of integrated luminosity collected with the LHCb detector. [...]
arXiv:1503.07483; LHCB-PAPER-2014-065; CERN-PH-EP-2015-073; LHCB-PAPER-2014-065-; LHCB-PAPER-2014-065; CERN-PH-EP-2015-073.- Geneva : CERN, 2015-07-28 - 9 p. - Published in : Phys. Rev. Lett. 115 (2015) 051801 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
7.
Measurement of CP violation in B0J/ψK0S decays / LHCb collaboration
Measurements are presented of the CP violation observables S and C in the decays of B0 and ¯B0 mesons to the J/ψK0S final state. The data sample corresponds to an integrated luminosity of 3.0fb1 collected with the LHCb experiment in proton-proton collisions at center-of-mass energies of 7 and 8TeV. [...]
arXiv:1503.07089; LHCB-PAPER-2015-004; CERN-PH-EP-2015-076; LHCB-PAPER-2015-004; CERN-PH-EP-2015-076.- Geneva : CERN, 2015-07-14 - 9 p. - Published in : Phys. Rev. Lett. 115 (2015) 031601 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
8.
Measurement of the time-dependent CP asymmetries in B0sJ/ψK0S / LHCb Collaboration
The first measurement of decay-time-dependent CP asymmetries in the decay B0sJ/ψK0S and an updated measurement of the ratio of branching fractions B(B0sJ/ψK0S)/B(B0dJ/ψK0S) are presented. The results are obtained using data corresponding to an integrated luminosity of 3.0 fb1 of proton-proton collisions recorded with the LHCb detector at centre-of-mass energies of 7 and 8 TeV. [...]
arXiv:1503.07055; CERN-PH-EP-2015-064; LHCB-PAPER-2015-005; LHCB-PAPER-2015-005; CERN-PH-EP-2015-064.- Geneva : CERN, 2015-06-18 - 23 p. - Published in : JHEP 06 (2015) 131 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; Springer Open Access article: PDF;
9.
Measurement of CP asymmetries and polarisation fractions in B0sK0¯K0 decays / LHCb Collaboration
An angular analysis of the decay B0sK0¯K0 is performed using pp collisions corresponding to an integrated luminosity of 1.0 fb1 collected by the LHCb experiment at a centre-of-mass energy s=7 TeV. A combined angular and mass analysis separates six helicity amplitudes and allows the measurement of the longitudinal polarisation fraction fL=0.201±0.057(stat.)±0.040(syst.) for the B0sK(892)0¯K(892)0 decay. [...]
arXiv:1503.05362; LHCB-PAPER-2014-068; CERN-PH-EP-2015-058; LHCB-PAPER-2014-068; CERN-PH-EP-2015-058.- Geneva : CERN, 2015-07-30 - 29 p. - Published in : JHEP 07 (2015) 166 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External link: Preprint
10.
First observation and amplitude analysis of the BD+Kπ decay / LHCb collaboration
The BD+Kπ decay is observed in a data sample corresponding to 3.0 fb1 of pp collision data recorded by the LHCb experiment during 2011 and 2012. Its branching fraction is measured to be B(BD+Kπ)=(7.31±0.19±0.22±0.39)×105 where the uncertainties are statistical, systematic and from the branching fraction of the normalisation channel BD+ππ, respectively. [...]
arXiv:1503.02995; CERN-PH-EP-2015-051; LHCB-PAPER-2015-007.- Geneva : CERN, 2015-05-05 - 24 p.
APS Open Access article: PDF; Erratum: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint

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